PHP Magic Methods / Attributes

HasAttributesTrait.php

On a class, add the methods Trait

```
// define the properties
/* @property $name string User's name */

class MyClass {
    // add the trait
    use HasAttributes;
}
```

```
<?php

trait HasAttributes
{
    protected $attributes = [];

    public function __set($name, $value)
    {
        $this->attributes[$name] = $value;

        return $this;
    }

    public function __get($name)
    {
        if (!\array_key_exists($name, $this->attributes)) {
            return null;
        }

        return $this->attributes[$name];
    }

    public function __isset($name)
    {
        return isset($this->attributes[$name]);
    }

    public function __unset($name)
    {
        unset($this->attributes[$name]);
    }
}
```